期刊
PATTERN RECOGNITION
卷 129, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.patcog.2022.108759
关键词
Multi-view learning; Cross-view transfer; Kernel completion; Kernel learning
资金
- french national project ANR Lives [ANR-15-CE23-0 026]
- Turing Center for Living Sys-tems - Academy of Finland [334790, 310107]
- Turing Center for Living Systems (CENTURI)
- Academy of Finland [334790, 310107]
- Academy of Finland (AKA) [334790, 310107, 310107, 334790] Funding Source: Academy of Finland (AKA)
This article discusses the problem of kernel completion in the presence of multiple views in the data. The proposed Cross-View Kernel Transfer (CVKT) procedure completes the kernel matrices by aligning the features of other views to represent the target view. The missing values in the kernel matrices can be predicted using data from other views. Simulated and real datasets demonstrate the benefits of the approach.
We consider the kernel completion problem with the presence of multiple views in the data. In this context the data samples can be fully missing in some views, creating missing columns and rows to the kernel matrices that are calculated individually for each view. We propose to solve the problem of completing the kernel matrices with Cross-View Kernel Transfer (CVKT) procedure, in which the features of the other views are transformed to represent the view under consideration. The transformations are learned with kernel alignment to the known part of the kernel matrix, allowing for finding generalizable structures in the kernel matrix under completion. Its missing values can then be predicted with the data available in other views. We illustrate the benefits of our approach with simulated data, multivariate digits dataset and multi-view dataset on gesture classification, as well as with real biological datasets from studies of pattern formation in early Drosophila melanogaster embryogenesis.(c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license ( http://creativecommons.org/licenses/by/4.0/ )
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